function transformTimestamp(timestamp) {
	let a = new Date(timestamp).getTime();
	const date = new Date(a);
	const Y = date.getFullYear() + '-';
	const M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
	const D = (date.getDate() < 10 ? '0' + date.getDate() : date.getDate()) + '  ';
	const h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ':';
	const m = (date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()) + ':';
	const s = (date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds()); // 秒
	const dateString = Y + M + D + h + m + s;
	// console.log('dateString', dateString); // > dateString 2021-07-06 14:23
	return dateString;
}
module.exports = {
	transformTimestamp
};
